FR2840018B1 - MULTI-YELLOW COMPRESSION-IGNITION ENGINE, ESPECIALLY OF DIESEL TYPE WITH DIRECT INJECTION, WITH SWING-AIR AIR MOTION GENERATED BY PISTONS - Google Patents

MULTI-YELLOW COMPRESSION-IGNITION ENGINE, ESPECIALLY OF DIESEL TYPE WITH DIRECT INJECTION, WITH SWING-AIR AIR MOTION GENERATED BY PISTONS

Info

Publication number
FR2840018B1
FR2840018B1 FR0206233A FR0206233A FR2840018B1 FR 2840018 B1 FR2840018 B1 FR 2840018B1 FR 0206233 A FR0206233 A FR 0206233A FR 0206233 A FR0206233 A FR 0206233A FR 2840018 B1 FR2840018 B1 FR 2840018B1
Authority
FR
France
Prior art keywords
air
pistons
swing
yellow
compression
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0206233A
Other languages
French (fr)
Other versions
FR2840018A1 (en
Inventor
Jean Paul Hardy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault SAS
Original Assignee
Renault SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Priority to FR0206233A priority Critical patent/FR2840018B1/en
Publication of FR2840018A1 publication Critical patent/FR2840018A1/en
Application granted granted Critical
Publication of FR2840018B1 publication Critical patent/FR2840018B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
    • F02B23/0627—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion having additional bores or grooves machined into the piston for guiding air or charge flow to the piston bowl
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
    • F02B23/0621—Squish flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
    • F02B23/0624—Swirl flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
FR0206233A 2002-05-22 2002-05-22 MULTI-YELLOW COMPRESSION-IGNITION ENGINE, ESPECIALLY OF DIESEL TYPE WITH DIRECT INJECTION, WITH SWING-AIR AIR MOTION GENERATED BY PISTONS Expired - Fee Related FR2840018B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0206233A FR2840018B1 (en) 2002-05-22 2002-05-22 MULTI-YELLOW COMPRESSION-IGNITION ENGINE, ESPECIALLY OF DIESEL TYPE WITH DIRECT INJECTION, WITH SWING-AIR AIR MOTION GENERATED BY PISTONS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0206233A FR2840018B1 (en) 2002-05-22 2002-05-22 MULTI-YELLOW COMPRESSION-IGNITION ENGINE, ESPECIALLY OF DIESEL TYPE WITH DIRECT INJECTION, WITH SWING-AIR AIR MOTION GENERATED BY PISTONS

Publications (2)

Publication Number Publication Date
FR2840018A1 FR2840018A1 (en) 2003-11-28
FR2840018B1 true FR2840018B1 (en) 2005-04-01

Family

ID=29414988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0206233A Expired - Fee Related FR2840018B1 (en) 2002-05-22 2002-05-22 MULTI-YELLOW COMPRESSION-IGNITION ENGINE, ESPECIALLY OF DIESEL TYPE WITH DIRECT INJECTION, WITH SWING-AIR AIR MOTION GENERATED BY PISTONS

Country Status (1)

Country Link
FR (1) FR2840018B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005003101A1 (en) * 2005-01-22 2006-07-27 Deutz Ag Piston for internal combustion engine, has cavity with circumferential cavity wall, and fuel storage chambers formed as ducts embedded into piston, and extend from impinging area of fuel jets
US7353797B1 (en) * 2007-02-28 2008-04-08 University Of Washington Combustion chamber for internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB249106A (en) * 1925-03-16 1926-10-07 Acro Ag Improvements in or relating to internal combustion engines
GB475179A (en) * 1935-02-09 1937-11-12 Alfred Buechi Improvements in or relating to the combustion chambers of four stroke cycle internal combustion engines
GB689585A (en) * 1950-05-18 1953-04-01 British Leyland Motor Corp Improvements in internal combustion engines of the liquid fuel injection type
US4635597A (en) 1985-01-16 1987-01-13 Yanmar Diesel Engine Co., Ltd. Structure of a main combustion chamber of a diesel engine of a direct injection type
JP2591280B2 (en) 1990-08-16 1997-03-19 日産自動車株式会社 Direct injection diesel engine
FI102558B (en) * 1995-02-15 1998-12-31 Waertsilae Nsd Oy Ab Arrangements for streamlining the combustion process of a stroke piston internal combustion engine
JPH11229881A (en) 1998-02-10 1999-08-24 Kubota Corp Combustion chamber of direct injection diesel engine

Also Published As

Publication number Publication date
FR2840018A1 (en) 2003-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080131